Share-Based Compensation - Additional Information (Detail) - shares	1 Months Ended
	Apr. 30, 2016	Jan. 31, 2016	Jun. 30, 2016	Jun. 30, 2015
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Options outstanding for the purchase of common stock			103,465	67,063
2015 Equity Incentive Plan [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Number of options awarded by company	60,000	60,000
2015 Equity Incentive Plan [Member] | Restricted Stock Units [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Number of shares awarded by company	70,500	70,500
2015 Equity Incentive Plan [Member] | Stock Option [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Option awards vesting period	5 years	5 years
Non-qualified Stock Option Plan [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Options outstanding for the purchase of common stock	103,465	103,465